217624260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{518153}}^1$

素因数の和:518172

約数の個数: 48

約数和(自身を含む): 696398976

約数和(自身を除く): 478774716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 518153, 1036306, 1554459, 2072612, 2590765, 3108918, 3627071, 5181530, 6217836, 7254142, 7772295, 10363060, 10881213, 14508284, 15544590, 18135355, 21762426, 31089180, 36270710, 43524852, 54406065, 72541420, 108812130, 217624260]

約数ペア:

[(1, 217624260), (2, 108812130), (3, 72541420), (4, 54406065), (5, 43524852), (6, 36270710), (7, 31089180), (10, 21762426), (12, 18135355), (14, 15544590), (15, 14508284), (20, 10881213), (21, 10363060), (28, 7772295), (30, 7254142), (35, 6217836), (42, 5181530), (60, 3627071), (70, 3108918), (84, 2590765), (105, 2072612), (140, 1554459), (210, 1036306), (420, 518153)]